Merge pull request #38 from xp-framework/refactor/context

Remove context from properties, methods, constructors and initializers

src/main/php/lang/reflection/Constructor.class.php

@@ -30,32 +30,25 @@ public function toString() {
    * Creates a new instance of the type this constructor belongs to
    *
    * @param  var[] $args
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return object
    * @throws lang.reflection.InvocationFailed
    * @throws lang.reflection.CannotInstantiate
    */
-  public function newInstance(array $args= [], $context= null) {
+  public function newInstance(array $args= []) {
     try {
       $pass= PHP_VERSION_ID < 80000 && $args ? self::pass($this->reflect, $args) : $args;
 
       // Workaround for non-public constructors: Set accessible, then manually
       // invoke after creating an instance without invoking the constructor.
-      if ($context && !$this->reflect->isPublic()) {
-        if (Reflection::of($context)->is($this->class->name)) {
-          $instance= $this->class->newInstanceWithoutConstructor();
-          $this->reflect->setAccessible(true);
-          $this->reflect->invokeArgs($instance, $pass);
-          return $instance;
-        }
+      if (!$this->reflect->isPublic()) {
+        $instance= $this->class->newInstanceWithoutConstructor();
+        $this->reflect->setAccessible(true);
+        $this->reflect->invokeArgs($instance, $pass);
+        return $instance;
+      } else {
+        return $this->class->newInstanceArgs($pass);
       }
-
-      return $this->class->newInstanceArgs($pass);
-    } catch (ArgumentCountError $e) {
-      throw new CannotInstantiate($this->class, $e);
-    } catch (TypeError $e) {
-      throw new CannotInstantiate($this->class, $e);
-    } catch (ReflectionException $e) {
+    } catch (ReflectionException|ArgumentCountError|TypeError $e) {
       throw new CannotInstantiate($this->class, $e);
     } catch (Throwable $e) {
 

src/main/php/lang/reflection/Initializer.class.php

@@ -1,6 +1,6 @@
 <?php namespace lang\reflection;
 
-use ArgumentCountError, Error, ReflectionException, Throwable, TypeError;
+use ArgumentCountError, Error, ReflectionException, ReflectionFunction, Throwable, TypeError;
 use lang\Reflection;
 
 /**
@@ -13,7 +13,7 @@ class Initializer extends Routine implements Instantiation {
   private $class, $function;
 
   static function __static() {
-    self::$NOOP= new \ReflectionFunction(function() { });
+    self::$NOOP= new ReflectionFunction(function() { });
   }
 
   /**
@@ -41,12 +41,11 @@ public function compoundName(): string { return strtr($this->class->name, '\\',
    * Creates a new instance of the type this constructor belongs to
    *
    * @param  var[] $args
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return object
    * @throws lang.reflection.InvocationFailed
    * @throws lang.reflection.CannotInstantiate
    */
-  public function newInstance(array $args= [], $context= null) {
+  public function newInstance(array $args= []) {
     try {
       $instance= $this->class->newInstanceWithoutConstructor();
     } catch (ReflectionException $e) {
@@ -57,13 +56,9 @@ public function newInstance(array $args= [], $context= null) {
 
     try {
       $pass= PHP_VERSION_ID < 80000 && $args ? Routine::pass($this->reflect, $args) : $args;
-      $this->function->__invoke($instance, $pass, $context);
+      $this->function->__invoke($instance, $pass);
       return $instance;
-    } catch (ArgumentCountError $e) {
-      throw new CannotInstantiate($this->class, $e);
-    } catch (TypeError $e) {
-      throw new CannotInstantiate($this->class, $e);
-    } catch (ReflectionException $e) {
+    } catch (ReflectionException|ArgumentCountError|TypeError $e) {
       throw new CannotInstantiate($this->class, $e);
     } catch (Throwable $e) {
 

src/main/php/lang/reflection/Instantiation.class.php

@@ -7,10 +7,9 @@ interface Instantiation {
    * Creates a new instance of the type this constructor belongs to
    *
    * @param  var[] $args
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return object
    * @throws lang.reflection.InvocationFailed
    * @throws lang.reflection.CannotInstantiate
    */
-  public function newInstance(array $args= [], $context= null);
+  public function newInstance(array $args= []);
 }

src/main/php/lang/reflection/Method.class.php

@@ -44,24 +44,14 @@ public function closure($instance= null) {
    *
    * @param  ?object $instance
    * @param  var[] $args
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return var
    * @throws lang.reflection.CannotInvoke if prerequisites to the invocation fail
    * @throws lang.reflection.InvocationFailed if invocation raises an exception
    */
-  public function invoke($instance, $args= [], $context= null) {
-
-    // Only allow invoking non-public methods when given a compatible context
-    if (!$this->reflect->isPublic()) {
-      if ($context && Reflection::type($context)->is($this->reflect->class)) {
-        $this->reflect->setAccessible(true);
-      } else {
-        throw new CannotInvoke($this, new ReflectionException('Trying to invoke non-public method'));
-      }
-    }
-
+  public function invoke(?object $instance, $args= []) {
     try {
       $pass= PHP_VERSION_ID < 80000 && $args ? self::pass($this->reflect, $args) : $args;
+      $this->reflect->setAccessible(true);
       return $this->reflect->invokeArgs($instance, $pass);
     } catch (ReflectionException|ArgumentCountError|TypeError $e) {
       throw new CannotInvoke($this, $e);

src/main/php/lang/reflection/Property.class.php

@@ -42,25 +42,18 @@ public function constraint() {
    * Gets this property's value
    *
    * @param  ?object $instance
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return var
    * @throws lang.reflection.CannotAccess
+   * @throws lang.reflection.AccessingFailed if getting raises an exception
    */
-  public function get($instance, $context= null) {
-
-    // Only allow reading non-public properties when given a compatible context
-    if (!$this->reflect->isPublic()) {
-      if ($context && Reflection::of($context)->is($this->reflect->getDeclaringClass()->name)) {
-        $this->reflect->setAccessible(true);
-      } else {
-        throw new CannotAccess($this, new ReflectionException('Trying to read non-public property'));
-      }
-    }
-
+  public function get(?object $instance) {
     try {
+      $this->reflect->setAccessible(true);
       return $this->reflect->getValue($instance);
     } catch (ReflectionException $e) {
       throw new CannotAccess($this, $e);
+    } catch (Throwable $e) {
+      throw new AccessingFailed($this, $e);
     }
   }
 
@@ -69,23 +62,13 @@ public function get($instance, $context= null) {
    *
    * @param  ?object $instance
    * @param  var $value
-   * @param  ?string|?lang.XPClass|?lang.reflection.Type $context
    * @return var The given value
    * @throws lang.reflection.CannotAccess
-   * @throws lang.reflection.AccessFailed if setting raises an exception
+   * @throws lang.reflection.AccessingFailed if setting raises an exception
    */
-  public function set($instance, $value, $context= null) {
-
-    // Only allow reading non-public properties when given a compatible context
-    if (!$this->reflect->isPublic()) {
-      if ($context && Reflection::of($context)->is($this->reflect->getDeclaringClass()->name)) {
-        $this->reflect->setAccessible(true);
-      } else {
-        throw new CannotAccess($this, new ReflectionException('Trying to write non-public property'));
-      }
-    }
-
+  public function set(?object $instance, $value) {
     try {
+      $this->reflect->setAccessible(true);
       $this->reflect->setValue($instance, $value);
       return $value;
     } catch (ReflectionException $e) {

src/main/php/lang/reflection/Type.class.php

@@ -162,15 +162,13 @@ public function initializer($function) {
       return new Initializer($this->reflect);
     } else if ($function instanceof \Closure) {
       $reflect= new ReflectionFunction($function);
-      return new Initializer($this->reflect, $reflect, function($instance, $args, $context) use($function) {
+      return new Initializer($this->reflect, $reflect, function($instance, $args) use($function) {
         return $function->call($instance, ...$args);
       });
     } else if ($this->reflect->hasMethod($function)) {
       $reflect= $this->reflect->getMethod($function);
-      return new Initializer($this->reflect, $reflect, function($instance, $args, $context) use($reflect) {
-        if ($context && !$reflect->isPublic() && Reflection::of($context)->isInstance($instance)) {
-          $reflect->setAccessible(true);
-        }
+      return new Initializer($this->reflect, $reflect, function($instance, $args) use($reflect) {
+        $reflect->setAccessible(true);
         return $reflect->invokeArgs($instance, $args);
       });
     }

src/test/php/lang/reflection/unittest/InstantiationTest.class.php

@@ -92,12 +92,6 @@ public function newInstance_cannot_instantiate_using_non_public_constructor($mod
     $t->newInstance();
   }
 
-  #[Test, Expect(CannotInstantiate::class), Values(['private', 'protected'])]
-  public function constructor_cannot_instantiate_using_non_public_constructor($modifier) {
-    $t= $this->declare('{ '.$modifier.' function __construct() { } }');
-    $t->constructor()->newInstance();
-  }
-
   #[Test, Values(['private', 'protected'])]
   public function instantiate_with_non_public_constructor_in_context($modifier) {
     $t= $this->declare('{
@@ -113,12 +107,6 @@ public function instantiate_with_constructor_promotion() {
     Assert::equals($this, $t->constructor()->newInstance([$this])->value);
   }
 
-  #[Test, Expect(CannotInstantiate::class)]
-  public function cannot_instantiate_with_private_constructor_in_incorrect_context() {
-    $t= $this->declare('{ private function __construct() { } }');
-    $t->constructor()->newInstance([], typeof($this));
-  }
-
   #[Test, Expect(CannotInstantiate::class)]
   public function interfaces_cannot_be_instantiated() {
     Reflection::type(Runnable::class)->newInstance();

src/test/php/lang/reflection/unittest/InvocationTest.class.php

@@ -1,7 +1,7 @@
 <?php namespace lang\reflection\unittest;
 
 use lang\reflection\{CannotInvoke, InvocationFailed};
-use lang\{CommandLine, IllegalAccessException, Reflection, Runnable};
+use lang\{CommandLine, IllegalAccessException, Reflection, Runnable, IllegalStateException};
 use test\{Assert, AssertionFailedError, Before, Expect, Test, Values};
 
 class InvocationTest {
@@ -32,22 +32,10 @@ public function invoke_instance_method_from($context) {
     Assert::equals('External', $method->invoke($this->fixtures[$context]->newInstance(), []));
   }
 
-  #[Test, Values([['friend'], ['internal']]), Expect(CannotInvoke::class)]
-  public function cannot_invoke_non_public_method_by_default($method) {
-    $method= $this->fixtures['parent']->method($method);
-    $method->invoke($this->fixtures['parent']->newInstance(), []);
-  }
-
   #[Test, Values([['parent', 'parent'], ['child', 'parent'], ['parent', 'child']])]
   public function invoke_private_method_in_context($instance, $context) {
     $method= $this->fixtures['parent']->method('internal');
-    Assert::equals('Internal', $method->invoke($this->fixtures[$instance]->newInstance(), [], $this->fixtures[$context]));
-  }
-
-  #[Test, Expect(CannotInvoke::class)]
-  public function cannot_invoke_private_method_in_incorrect_context() {
-    $method= $this->fixtures['parent']->method('internal');
-    $method->invoke($this->fixtures['parent']->newInstance(), [], typeof($this));
+    Assert::equals('Internal', $method->invoke($this->fixtures[$instance]->newInstance(), []));
   }
 
   #[Test, Expect(CannotInvoke::class)]
@@ -137,11 +125,11 @@ public function invocation_failed_target() {
   }
 
   #[Test]
-  public function cannot_invoke_target() {
-    $t= $this->declare('{ private static function fixture() { } }');
+  public function cannot_invoke_exceptions_target_member() {
+    $t= $this->declare('{ private static function fixture($a) { } }');
     try {
       $t->method('fixture')->invoke(null, []);
-      throw new AssertionFailedError('No exception was raised');
+      throw new IllegalStateException('No exception was raised');
     } catch (CannotInvoke $expected) {
       Assert::equals($t->method('fixture'), $expected->target());
     }

src/test/php/lang/reflection/unittest/PropertiesTest.class.php

@@ -1,9 +1,9 @@
 <?php namespace lang\reflection\unittest;
 
 use lang\reflection\{AccessingFailed, CannotAccess, Constraint, Modifiers};
-use lang\{Primitive, Type, TypeIntersection, TypeUnion, XPClass};
+use lang\{Primitive, Type, TypeIntersection, TypeUnion, XPClass, IllegalStateException};
 use test\verify\Runtime;
-use test\{Action, Assert, AssertionFailedError, Expect, Test, Values};
+use test\{Action, Assert, Expect, Test, Values};
 
 class PropertiesTest {
   use TypeDefinition;
@@ -79,44 +79,20 @@ public function set_static() {
     Assert::equals('Modified', $class::$fixture);
   }
 
-  #[Test, Expect(CannotAccess::class)]
-  public function cannot_read_private_by_default() {
-    $type= $this->declare('{ private static $fixture = "Test"; }');
-    $type->property('fixture')->get(null);
-  }
-
-  #[Test, Expect(CannotAccess::class)]
-  public function cannot_write_private_by_default() {
-    $type= $this->declare('{ private static $fixture = "Test"; }');
-    $type->property('fixture')->set(null, 'Modified');
-  }
-
-  #[Test, Expect(CannotAccess::class)]
-  public function cannot_read_private_with_incorrect_context() {
-    $type= $this->declare('{ private static $fixture = "Test"; }');
-    $type->property('fixture')->get(null, typeof($this));
-  }
-
-  #[Test, Expect(CannotAccess::class)]
-  public function cannot_write_private_with_incorrect_context() {
-    $type= $this->declare('{ private static $fixture = "Test"; }');
-    $type->property('fixture')->set(null, 'Modified', typeof($this));
-  }
-
   #[Test, Expect(AccessingFailed::class)]
   public function type_mismatch() {
     $type= $this->declare('{ private static array $fixture; }');
-    $type->property('fixture')->set(null, 1, $type);
+    $type->property('fixture')->set(null, 1);
   }
 
   #[Test]
   public function private_instance_roundtrip() {
     $type= $this->declare('{ private $fixture = "Test"; }');
     $instance= $type->newInstance();
     $property= $type->properties()->named('fixture');
-    $property->set($instance, 'Modified', $type);
+    $property->set($instance, 'Modified');
 
-    Assert::equals('Modified', $property->get($instance, $type));
+    Assert::equals('Modified', $property->get($instance));
   }
 
   #[Test]
@@ -242,7 +218,7 @@ public function string_representation_with_union_type_declaration() {
   }
 
   #[Test]
-  public function accessing_failed_target() {
+  public function set_accessing_failed_exceptions_target_member() {
     $t= $this->declare('{ public static array $fixture; }');
     try {
       $t->property('fixture')->set(null, 1);
@@ -251,15 +227,4 @@ public function accessing_failed_target() {
       Assert::equals($t->property('fixture'), $expected->target());
     }
   }
-
-  #[Test]
-  public function cannot_access_target() {
-    $t= $this->declare('{ private static $fixture; }');
-    try {
-      $t->property('fixture')->get(null);
-      throw new AssertionFailedError('No exception was raised');
-    } catch (CannotAccess $expected) {
-      Assert::equals($t->property('fixture'), $expected->target());
-    }
-  }
 }